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Old 10-21-2011, 11:44 AM   #1
Scooby Specialist
Member#: 182384
Join Date: Jun 2008
Location: Nashville,TN
2014 Impreza WRX STI

Default installing 08 sti ej257 into 05 sti

What is the exact difference between the ej257 engine from a 2008 sti compared to a 2005 sti? I have blown the engine in my 05 sti and found a motor from a 08 sti, just trying to figure out if there is anything that i would have to swap out.
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Old 10-25-2011, 06:25 PM   #2
Scooby Newbie
Member#: 112248
Join Date: Apr 2006
Chapter/Region: NWIC
Location: Eugene, OR
04 STI


Shortblocks are almost exactly the same. The 08 STI heads have dual AVCS. The 08 wiring harness is different. Swap your 05 STI manifold onto the 08 motor and it's plug and play.
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